docs: def process_git_configs(git_short=''):
      """Retrieve _application.json_ files from GitLab.
  
      Args:
          git_short (str): Short Git representation of repository, e.g.
              forrest/core.
  
      Returns:
          collections.defaultdict: Configurations stored for each environment
          found.
      """
      LOG.info('Processing application.json files from GitLab "%s".', git_short)
      file_lookup = FileLookup(git_short=git_short)
      app_configs = process_configs(file_lookup,
                                    RUNWAY_BASE_PATH + '/application-master-{env}.json',
                                    RUNWAY_BASE_PATH + '/pipeline.json')
      commit_obj = file_lookup.project.commits.get('master')
      config_commit = commit_obj.attributes['id']
      LOG.info('Commit ID used: %s', config_commit)
      app_configs['pipeline']['config_commit'] = config_commit
      return app_configs